diff options
Diffstat (limited to 'Utilities/cmcurl/lib/formdata.c')
-rw-r--r-- | Utilities/cmcurl/lib/formdata.c | 121 |
1 files changed, 78 insertions, 43 deletions
diff --git a/Utilities/cmcurl/lib/formdata.c b/Utilities/cmcurl/lib/formdata.c index 9e8ce4e..673759d 100644 --- a/Utilities/cmcurl/lib/formdata.c +++ b/Utilities/cmcurl/lib/formdata.c @@ -5,11 +5,11 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms - * are also available at http://curl.haxx.se/docs/copyright.html. + * are also available at https://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is @@ -30,15 +30,14 @@ #include <libgen.h> #endif -#include "urldata.h" /* for struct SessionHandle */ +#include "urldata.h" /* for struct Curl_easy */ #include "formdata.h" #include "vtls/vtls.h" #include "strequal.h" #include "sendf.h" #include "strdup.h" +/* The last 3 #include files should be in this order */ #include "curl_printf.h" - -/* The last #include files should be: */ #include "curl_memory.h" #include "memdebug.h" @@ -48,7 +47,7 @@ static char *Curl_basename(char *path); #endif static size_t readfromfile(struct Form *form, char *buffer, size_t size); -static char *formboundary(struct SessionHandle *data); +static char *formboundary(struct Curl_easy *data); /* What kind of Content-Type to use on un-specified files with unrecognized extensions. */ @@ -57,6 +56,14 @@ static char *formboundary(struct SessionHandle *data); #define FORM_FILE_SEPARATOR ',' #define FORM_TYPE_SEPARATOR ';' +#define HTTPPOST_PTRNAME CURL_HTTPPOST_PTRNAME +#define HTTPPOST_FILENAME CURL_HTTPPOST_FILENAME +#define HTTPPOST_PTRCONTENTS CURL_HTTPPOST_PTRCONTENTS +#define HTTPPOST_READFILE CURL_HTTPPOST_READFILE +#define HTTPPOST_PTRBUFFER CURL_HTTPPOST_PTRBUFFER +#define HTTPPOST_CALLBACK CURL_HTTPPOST_CALLBACK +#define HTTPPOST_BUFFER CURL_HTTPPOST_BUFFER + /*************************************************************************** * * AddHttpPost() @@ -69,7 +76,7 @@ static char *formboundary(struct SessionHandle *data); ***************************************************************************/ static struct curl_httppost * AddHttpPost(char *name, size_t namelength, - char *value, size_t contentslength, + char *value, curl_off_t contentslength, char *buffer, size_t bufferlength, char *contenttype, long flags, @@ -85,14 +92,14 @@ AddHttpPost(char *name, size_t namelength, post->name = name; post->namelength = (long)(name?(namelength?namelength:strlen(name)):0); post->contents = value; - post->contentslength = (long)contentslength; + post->contentlen = contentslength; post->buffer = buffer; post->bufferlength = (long)bufferlength; post->contenttype = contenttype; post->contentheader = contentHeader; post->showfilename = showfilename; post->userp = userp, - post->flags = flags; + post->flags = flags | CURL_HTTPPOST_LARGE; } else return NULL; @@ -372,11 +379,14 @@ CURLFORMcode FormAdd(struct curl_httppost **httppost, } break; case CURLFORM_CONTENTSLENGTH: - if(current_form->contentslength) - return_value = CURL_FORMADD_OPTION_TWICE; - else - current_form->contentslength = - array_state?(size_t)array_value:(size_t)va_arg(params, long); + current_form->contentslength = + array_state?(size_t)array_value:(size_t)va_arg(params, long); + break; + + case CURLFORM_CONTENTLEN: + current_form->flags |= CURL_HTTPPOST_LARGE; + current_form->contentslength = + array_state?(curl_off_t)(size_t)array_value:va_arg(params, curl_off_t); break; /* Get contents from a given file name */ @@ -538,7 +548,7 @@ CURLFORMcode FormAdd(struct curl_httppost **httppost, /* this "cast increases required alignment of target type" but we consider it OK anyway */ struct curl_slist* list = array_state? - (struct curl_slist*)array_value: + (struct curl_slist*)(void*)array_value: va_arg(params, struct curl_slist*); if(current_form->contentheader) @@ -621,7 +631,7 @@ CURLFORMcode FormAdd(struct curl_httppost **httppost, else { if(((form->flags & HTTPPOST_FILENAME) || (form->flags & HTTPPOST_BUFFER)) && - !form->contenttype ) { + !form->contenttype) { char *f = form->flags & HTTPPOST_BUFFER? form->showfilename : form->value; @@ -653,9 +663,12 @@ CURLFORMcode FormAdd(struct curl_httppost **httppost, HTTPPOST_PTRCONTENTS | HTTPPOST_PTRBUFFER | HTTPPOST_CALLBACK)) && form->value) { /* copy value (without strdup; possibly contains null characters) */ - form->value = Curl_memdup(form->value, form->contentslength? - form->contentslength: - strlen(form->value)+1); + size_t clen = (size_t) form->contentslength; + if(!clen) + clen = strlen(form->value)+1; + + form->value = Curl_memdup(form->value, clen); + if(!form->value) { return_value = CURL_FORMADD_MEMORY; break; @@ -756,7 +769,7 @@ curl_off_t VmsRealFileSize(const char * name, int ret_stat; FILE * file; - file = fopen(name, "r"); /* VMS */ + file = fopen(name, FOPEN_READTEXT); /* VMS */ if(file == NULL) return 0; @@ -808,10 +821,16 @@ static curl_off_t VmsSpecialSize(const char * name, static CURLcode AddFormData(struct FormData **formp, enum formtype type, const void *line, - size_t length, + curl_off_t length, curl_off_t *size) { - struct FormData *newform = malloc(sizeof(struct FormData)); + struct FormData *newform; + char *alloc2 = NULL; + CURLcode result = CURLE_OK; + if(length < 0 || (size && *size < 0)) + return CURLE_BAD_FUNCTION_ARGUMENT; + + newform = malloc(sizeof(struct FormData)); if(!newform) return CURLE_OUT_OF_MEMORY; newform->next = NULL; @@ -820,15 +839,22 @@ static CURLcode AddFormData(struct FormData **formp, /* we make it easier for plain strings: */ if(!length) length = strlen((char *)line); +#if (SIZEOF_SIZE_T < CURL_SIZEOF_CURL_OFF_T) + else if(length >= (curl_off_t)(size_t)-1) { + result = CURLE_BAD_FUNCTION_ARGUMENT; + goto error; + } +#endif - newform->line = malloc(length+1); + newform->line = malloc((size_t)length+1); if(!newform->line) { - free(newform); - return CURLE_OUT_OF_MEMORY; + result = CURLE_OUT_OF_MEMORY; + goto error; } - memcpy(newform->line, line, length); - newform->length = length; - newform->line[length]=0; /* zero terminate for easier debugging */ + alloc2 = newform->line; + memcpy(newform->line, line, (size_t)length); + newform->length = (size_t)length; + newform->line[(size_t)length]=0; /* zero terminate for easier debugging */ } else /* For callbacks and files we don't have any actual data so we just keep a @@ -856,12 +882,20 @@ static CURLcode AddFormData(struct FormData **formp, struct_stat file; if(!stat(newform->line, &file) && !S_ISDIR(file.st_mode)) *size += filesize(newform->line, file); - else - return CURLE_BAD_FUNCTION_ARGUMENT; + else { + result = CURLE_BAD_FUNCTION_ARGUMENT; + goto error; + } } } } return CURLE_OK; + error: + if(newform) + free(newform); + if(alloc2) + free(alloc2); + return result; } /* @@ -1102,7 +1136,7 @@ static CURLcode formdata_add_filename(const struct curl_httppost *file, * a NULL pointer in the 'data' argument. */ -CURLcode Curl_getformdata(struct SessionHandle *data, +CURLcode Curl_getformdata(struct Curl_easy *data, struct FormData **finalform, struct curl_httppost *post, const char *custom_content_type, @@ -1238,7 +1272,7 @@ CURLcode Curl_getformdata(struct SessionHandle *data, curList = file->contentheader; while(curList) { /* Process the additional headers specified for this form */ - result = AddFormDataf( &form, &size, "\r\n%s", curList->data ); + result = AddFormDataf(&form, &size, "\r\n%s", curList->data); if(result) break; curList = curList->next; @@ -1298,15 +1332,16 @@ CURLcode Curl_getformdata(struct SessionHandle *data, result = AddFormData(&form, FORM_CONTENT, post->buffer, post->bufferlength, &size); else if(post->flags & HTTPPOST_CALLBACK) - /* the contents should be read with the callback and the size - is set with the contentslength */ + /* the contents should be read with the callback and the size is set + with the contentslength */ result = AddFormData(&form, FORM_CALLBACK, post->userp, - post->contentslength, &size); + post->flags&CURL_HTTPPOST_LARGE? + post->contentlen:post->contentslength, &size); else /* include the contents we got */ result = AddFormData(&form, FORM_CONTENT, post->contents, - post->contentslength, &size); - + post->flags&CURL_HTTPPOST_LARGE? + post->contentlen:post->contentslength, &size); file = file->more; } while(file && !result); /* for each specified file for this field */ @@ -1350,7 +1385,7 @@ CURLcode Curl_getformdata(struct SessionHandle *data, * Curl_FormInit() inits the struct 'form' points to with the 'formdata' * and resets the 'sent' counter. */ -int Curl_FormInit(struct Form *form, struct FormData *formdata ) +int Curl_FormInit(struct Form *form, struct FormData *formdata) { if(!formdata) return 1; /* error */ @@ -1385,10 +1420,10 @@ static FILE * vmsfopenread(const char *file, const char *mode) { case FAB$C_VAR: case FAB$C_VFC: case FAB$C_STMCR: - return fopen(file, "r"); /* VMS */ + return fopen(file, FOPEN_READTEXT); /* VMS */ break; default: - return fopen(file, "r", "rfm=stmlf", "ctx=stm"); + return fopen(file, FOPEN_READTEXT, "rfm=stmlf", "ctx=stm"); } } #endif @@ -1463,9 +1498,9 @@ size_t Curl_FormReader(char *buffer, } do { - if((form->data->length - form->sent ) > wantedsize - gotsize) { + if((form->data->length - form->sent) > wantedsize - gotsize) { - memcpy(buffer + gotsize , form->data->line + form->sent, + memcpy(buffer + gotsize, form->data->line + form->sent, wantedsize - gotsize); form->sent += wantedsize-gotsize; @@ -1514,7 +1549,7 @@ char *Curl_formpostheader(void *formp, size_t *len) * formboundary() creates a suitable boundary string and returns an allocated * one. */ -static char *formboundary(struct SessionHandle *data) +static char *formboundary(struct Curl_easy *data) { /* 24 dashes and 16 hexadecimal digits makes 64 bit (18446744073709551615) combinations */ |